/*

package com.xjh.t.controller;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;



@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");//允许任何域名使用
        corsConfiguration.addAllowedHeader("*");//允许任何头
        corsConfiguration.addAllowedMethod("*");//允许任何方法
        corsConfiguration.addExposedHeader("Authorization");
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter() {
        // 1.添加CORS配置信息
         CorsConfiguration config = new CorsConfiguration();
         // 放行哪些原始域
         config.addAllowedOrigin("*");
         // 是否发送Cookie信息
         config.setAllowCredentials(true);
         // 放行哪些原始域(请求方式)
        config.addAllowedMethod("*");
         // 放行哪些原始域(头部信息)
         config.addAllowedHeader("*");
         // 暴露哪些头部信息（因为跨域访问默认不能获取全部头部信息）
         config.addExposedHeader("*");

         // 2.添加映射路径导入配置
        UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
         configSource.registerCorsConfiguration("/**", config);

         // 3.返回新的CorsFilter.
         return new CorsFilter(configSource);


    }
}


*/
